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12002112202121 = 238327531829479
BaseRepresentation
bin1010111010100111010110…
…1000100110010110001001
31120111101112211120002101122
42232221311220212112021
53033120311210431441
641305405541525025
72346060346310126
oct256516550462611
946441484502348
1012002112202121
113908081497598
12141a10b113775
13690a43190722
142d6c9632374d
1515c30859834b
hexaea75a26589

12002112202121 has 8 divisors (see below), whose sum is σ = 12011516801280. Its totient is φ = 11992711272192.

The previous prime is 12002112202063. The next prime is 12002112202141. The reversal of 12002112202121 is 12120221120021.

12002112202121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12002112202121 - 242 = 7604065691017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002112202121.

It is not an unprimeable number, because it can be changed into a prime (12002112202141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645660 + ... + 7475138.

It is an arithmetic number, because the mean of its divisors is an integer number (1501439600160).

Almost surely, 212002112202121 is an apocalyptic number.

It is an amenable number.

12002112202121 is a deficient number, since it is larger than the sum of its proper divisors (9404599159).

12002112202121 is a wasteful number, since it uses less digits than its factorization.

12002112202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834615.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12002112202121 its reverse (12120221120021), we get a palindrome (24122333322142).

The spelling of 12002112202121 in words is "twelve trillion, two billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 2383 2753 1829479 6560399 4359648457 5036555687 12002112202121